Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 1 | /* |
| 2 | * iplink_ipoib.c IPoIB device support |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * Authors: Or Gerlitz <ogerlitz@mellanox.com> |
| 10 | * copied iflink_vlan.c authored by Patrick McHardy <kaber@trash.net> |
| 11 | */ |
| 12 | |
| 13 | #include <stdio.h> |
| 14 | #include <stdlib.h> |
| 15 | #include <string.h> |
| 16 | #include <linux/if_link.h> |
| 17 | |
| 18 | #include "rt_names.h" |
| 19 | #include "utils.h" |
| 20 | #include "ip_common.h" |
| 21 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 22 | static void print_explain(FILE *f) |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 23 | { |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 24 | fprintf(f, |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 25 | "Usage: ... ipoib [pkey PKEY] [mode {datagram | connected}][umcast {0|1}]\n" |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 26 | "\n" |
| 27 | "PKEY := 0x8001-0xffff\n" |
| 28 | ); |
| 29 | } |
| 30 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 31 | static void explain(void) |
| 32 | { |
| 33 | print_explain(stderr); |
| 34 | } |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 35 | |
| 36 | static int mode_arg(void) |
| 37 | { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 38 | fprintf(stderr, "Error: argument of \"mode\" must be \"datagram\"or \"connected\"\n"); |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 39 | return -1; |
| 40 | } |
| 41 | |
| 42 | static int ipoib_parse_opt(struct link_util *lu, int argc, char **argv, |
| 43 | struct nlmsghdr *n) |
| 44 | { |
| 45 | __u16 pkey, mode, umcast; |
| 46 | |
| 47 | while (argc > 0) { |
| 48 | if (matches(*argv, "pkey") == 0) { |
| 49 | NEXT_ARG(); |
| 50 | if (get_u16(&pkey, *argv, 0)) |
| 51 | invarg("pkey is invalid", *argv); |
| 52 | addattr_l(n, 1024, IFLA_IPOIB_PKEY, &pkey, 2); |
| 53 | } else if (matches(*argv, "mode") == 0) { |
| 54 | NEXT_ARG(); |
| 55 | if (strcmp(*argv, "datagram") == 0) |
| 56 | mode = IPOIB_MODE_DATAGRAM; |
| 57 | else if (strcmp(*argv, "connected") == 0) |
| 58 | mode = IPOIB_MODE_CONNECTED; |
| 59 | else |
| 60 | return mode_arg(); |
| 61 | addattr_l(n, 1024, IFLA_IPOIB_MODE, &mode, 2); |
| 62 | } else if (matches(*argv, "umcast") == 0) { |
| 63 | NEXT_ARG(); |
| 64 | if (get_u16(&umcast, *argv, 0)) |
| 65 | invarg("umcast is invalid", *argv); |
| 66 | addattr_l(n, 1024, IFLA_IPOIB_UMCAST, &umcast, 2); |
| 67 | } else if (matches(*argv, "help") == 0) { |
| 68 | explain(); |
| 69 | return -1; |
| 70 | } else { |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 71 | fprintf(stderr, "ipoib: unknown option \"%s\"?\n", *argv); |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 72 | explain(); |
| 73 | return -1; |
| 74 | } |
| 75 | argc--, argv++; |
| 76 | } |
| 77 | |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | static void ipoib_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) |
| 82 | { |
| 83 | __u16 mode; |
| 84 | |
| 85 | if (!tb) |
| 86 | return; |
| 87 | |
| 88 | if (!tb[IFLA_IPOIB_PKEY] || |
| 89 | RTA_PAYLOAD(tb[IFLA_IPOIB_PKEY]) < sizeof(__u16)) |
| 90 | return; |
| 91 | |
| 92 | fprintf(f, "pkey %#.4x ", rta_getattr_u16(tb[IFLA_IPOIB_PKEY])); |
| 93 | |
| 94 | if (!tb[IFLA_IPOIB_MODE] || |
| 95 | RTA_PAYLOAD(tb[IFLA_IPOIB_MODE]) < sizeof(__u16)) |
| 96 | return; |
| 97 | |
| 98 | mode = rta_getattr_u16(tb[IFLA_IPOIB_MODE]); |
| 99 | fprintf(f, "mode %s ", |
| 100 | mode == IPOIB_MODE_DATAGRAM ? "datagram" : |
| 101 | mode == IPOIB_MODE_CONNECTED ? "connected" : |
| 102 | "unknown"); |
| 103 | |
| 104 | if (!tb[IFLA_IPOIB_UMCAST] || |
| 105 | RTA_PAYLOAD(tb[IFLA_IPOIB_UMCAST]) < sizeof(__u16)) |
| 106 | return; |
| 107 | |
| 108 | fprintf(f, "umcast %.4x ", rta_getattr_u16(tb[IFLA_IPOIB_UMCAST])); |
| 109 | } |
| 110 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 111 | static void ipoib_print_help(struct link_util *lu, int argc, char **argv, |
| 112 | FILE *f) |
| 113 | { |
| 114 | print_explain(f); |
| 115 | } |
| 116 | |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 117 | struct link_util ipoib_link_util = { |
| 118 | .id = "ipoib", |
| 119 | .maxattr = IFLA_IPOIB_MAX, |
| 120 | .parse_opt = ipoib_parse_opt, |
| 121 | .print_opt = ipoib_print_opt, |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 122 | .print_help = ipoib_print_help, |
Or Gerlitz | de03899 | 2012-10-25 16:57:59 +0200 | [diff] [blame] | 123 | }; |